Home / 21,580,345,104.66-32,372,737,879.71-8,145,945,006.42

Finding the Fourth Proportional to 21,580,345,104.66, 32,372,737,879.71 and 8,145,945,006.42

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Solution

The fourth proportional to 21,580,345,104.66, 32,372,737,879.71 and 8,145,945,006.42 is: 12,219,755,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,345,104.66 : 32,372,737,879.71 = 8,145,945,006.42 : x
  2. Step 2: Convert to fraction form
    21,580,345,104.66/32,372,737,879.71 = 8,145,945,006.42/x
  3. Step 3: Cross multiply
    21,580,345,104.66x = 32,372,737,879.71 × 8,145,945,006.42
  4. Step 4: Simplify right side
    21,580,345,104.66x = 263,706,542,475,367,251,968
  5. Step 5: Solve for x
    x = 263,706,542,475,367,251,968/21,580,345,104.66
  6. Step 6: Final answer
    x = 12,219,755,578.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.